How to initialize GPIO pin and interrupt with ICube-lrWAN package.

[shadab abedin]

i want to initialize pin A9 & A10 in BL072ZLrWAN1board of STas a external interrupt pin. ICubeLrwan package not integrate with cubeMX so i am confuse about how to initialize the pin and call the interrupt and write its callback function.

[Houssem CHAABANI]

Dear @shadab abedin​ ,

You can configure A9 and A10 as external interrupt pin using STM32CubeMX:

• Choose B-L072Z-LRWAN1 from board selector.
• Under Pinout & Configuration click on the pin (PA9 / PA10) and choose GPIO_EXTI.
• Then generate your code.

Kind regards,

Houssem